of the time in san francisco, so conditions are really variable and then it's usually controlled rather than kind of normal. yeah? >> so, in general where possible, staying away from plastic water bottles is not only making your life a little bit healthier, it's decreasing our dependence on plastic which is more important as a broader environmental issue, but even water bottles, even if you leave them in a cold environment, you don't know where they've come from or they've been in ship holds which is really hot, just as a number one rule, if you smell something plastic don't drink out of it. >> that's good advice. >> i have two questions, they're a little bit unrelated but the first one goes on the scheme of plastic, so plastic wrap, plastic bags, you know, it's great to say we should all use glass but we know what's used out there is plastic, and it's reusable, you can come up with all these ways to avoid it but there's plastic everywhere and it's accessible and cheap, so plastic wrap gets used a lot, there aren't that many alternatives that can do what plastic wrap does, i don't use a lot
